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A354460
The primes sums formed for each completed 2 X 2 square of numbers in A354453.
1
7, 13, 19, 23, 31, 29, 41, 37, 47, 53, 43, 59, 73, 61, 67, 71, 79, 83, 97, 101, 103, 89, 107, 113, 109, 127, 137, 139, 131, 149, 157, 151, 167, 163, 173, 179, 181, 191, 193, 199, 197, 211, 223, 227, 257, 229, 233, 251, 263, 239, 241, 269, 271, 281, 277, 283, 293, 307, 313, 311, 317, 331, 347, 337
OFFSET
1,1
COMMENTS
See A354453 for further details.
EXAMPLE
The first prime sum is 7, which is the sum of the innermost 2 X 2 square of values 4,2,0,1 in the square spiral shown in A354453.
The fourth prime sum is 23, which is the sum of the 2 X 2 square of values 0,1,8,14 in the square spiral shown in A354453. This is the first prime sum that differs from A337116.
CROSSREFS
KEYWORD
nonn
AUTHOR
Scott R. Shannon, May 31 2022
STATUS
approved